<template>
  <div class="app-container">
    <el-row>
      <el-col :span="24" class="card-box">
        <el-card>
          <template #header><span>基本信息</span></template>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <table cellspacing="0" style="width: 100%">
              <tbody>
              <tr>
                <td class="el-table__cell is-leaf">
                  <div class="cell">Redis版本</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.redis_version }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">运行模式</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">
                    {{ cache.info.redis_mode == 'standalone' ? '单机' : '集群' }}
                  </div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">端口</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.tcp_port }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">客户端数</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.connected_clients }}</div>
                </td>
              </tr>
              <tr>
                <td class="el-table__cell is-leaf">
                  <div class="cell">运行时间(天)</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.uptime_in_days }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">使用内存</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.used_memory_human }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">使用CPU</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">
                    {{ parseFloat(cache.info.used_cpu_user_children).toFixed(2) }}
                  </div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">内存配置</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.maxmemory_human }}</div>
                </td>
              </tr>
              <tr>
                <td class="el-table__cell is-leaf">
                  <div class="cell">AOF是否开启</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.aof_enabled == '0' ? '否' : '是' }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">RDB是否成功</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">{{ cache.info.rdb_last_bgsave_status }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">Key数量</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.dbSize">{{ cache.dbSize }}</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell">网络入口/出口</div>
                </td>
                <td class="el-table__cell is-leaf">
                  <div class="cell" v-if="cache.info">
                    {{ cache.info.instantaneous_input_kbps }}kps/{{ cache.info.instantaneous_output_kbps }}kps
                  </div>
                </td>
              </tr>
              </tbody>
            </table>
          </div>
        </el-card>
      </el-col>

      <el-col :span="12" class="card-box">
        <el-card>
          <template #header><span>命令统计</span></template>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <div ref="commandStat" style="height: 420px"/>
          </div>
        </el-card>
      </el-col>

      <el-col :span="12" class="card-box">
        <el-card>
          <template #header>
            <span>内存信息</span>
          </template>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <div ref="useMemory" style="height: 420px"/>
          </div>
        </el-card>
      </el-col>

    </el-row>
  </div>
</template>

<script>
import { getRedisInfo } from '@/api/monitor/server'
import * as echarts from 'echarts'
export default {
  name: 'Redis',
  data() {
    return {
      // 加载层信息
      loading: [],
      // 服务器信息
      cache: [],
      commandStat: null,
      useMemory: null
    }
  },
  created() {
    this.getList()
    this.openLoading()
  },
  methods: {
    /** 查询缓存信息 */
    getList() {
      getRedisInfo().then(response => {
        this.cache = response.data
        this.loading.close()

        const comm = echarts.init(this.$refs.commandStat, 'macarons')
        comm.setOption({
          tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b} : {c} ({d}%)'
          },
          series: [
            {
              name: '命令',
              type: 'pie',
              roseType: 'radius',
              radius: [15, 95],
              center: ['50%', '38%'],
              data: this.cache.commandStats,
              animationEasing: 'cubicInOut',
              animationDuration: 1000
            }
          ]
        })
        const used = echarts.init(this.$refs.useMemory, 'macarons')
        used.setOption({
          tooltip: {
            formatter: `{b} <br/>{a} : ${this.cache.info.used_memory_human}`
          },
          series: [
            {
              name: '峰值',
              type: 'gauge',
              min: 0,
              max: 1000,
              detail: {
                formatter: this.cache.info.used_memory_human
              },
              data: [
                {
                  value: parseFloat(this.cache.info.used_memory_human),
                  name: '内存消耗'
                }
              ]
            }
          ]
        })
      })
    },
    // 打开加载层
    openLoading() {
      this.loading = this.$loading({
        lock: true,
        text: '拼命读取中···',
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.7)'
      })
    }
  }
}
</script>

<style scoped>

</style>
